|
private AddChild ( |
||
| newChild | ||
| return | void | |
internal RegexNode MakePossessive()
{
var result = new RegexNode(Greedy, _options);
result.AddChild(this);
return(result);
}
internal RegexNode MakeQuantifier(bool lazy, int min, int max)
{
RegexNode result;
if (min == 0 && max == 0)
{
return(new RegexNode(Empty, _options));
}
if (min == 1 && max == 1)
{
return(this);
}
switch (_type)
{
case One:
case Notone:
case Set:
MakeRep(lazy ? Onelazy : Oneloop, min, max);
return(this);
default:
result = new RegexNode(lazy ? Lazyloop : Loop, _options, min, max);
result.AddChild(this);
return(result);
}
}
/*
* Remember the pushed state (in response to a ')')
*/
internal void PopGroup()
{
_concatenation = _stack;
_alternation = _concatenation._next;
_group = _alternation._next;
_stack = _group._next;
// The first () inside a Testgroup group goes directly to the group
if (_group.Type() == RegexNode.Testgroup && _group.ChildCount() == 0)
{
if (_unit == null)
throw MakeException(SR.IllegalCondition);
_group.AddChild(_unit);
_unit = null;
}
}
internal RegexNode MakeQuantifier(bool lazy, int min, int max)
{
RegexNode result;
if (min == 0 && max == 0)
return new RegexNode(Empty, _options);
if (min == 1 && max == 1)
return this;
switch (_type)
{
case One:
case Notone:
case Set:
MakeRep(lazy ? Onelazy : Oneloop, min, max);
return this;
default:
result = new RegexNode(lazy ? Lazyloop : Loop, _options, min, max);
result.AddChild(this);
return result;
}
}